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CVE-2026-1079: A native messaging host vulnerability in Pega Browser Extension (PBE) affects users of all versions of Pega Robotic Automation who have installed Pega Browser Extension.

Awaiting analysis
Published 07-04-2026Last modified 07-04-2026

Vulnerability summary

CVE-2026-1079 is a medium (CVSS 6.0) Improper Access Control vulnerability in pegasystems pega browser extension (pbe). EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.0/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 07-04-2026
    PublishedVulnerability first disclosed.
  2. 07-04-2026
    Last modifiedVulnerability information updated.

Description

A native messaging host vulnerability in Pega Browser Extension (PBE) affects users of all versions of Pega Robotic Automation who have installed Pega Browser Extension. A bad actor could create a website that contains malicious code that targets PBE. The vulnerability could occur if a user navigates to this website. The malicious website could then present an unexpected message box.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.26% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Pegasystems1 product

1 vendor · 1 product

References

1 links